HeadingGuitbert, Marcian used in: Integrated Authority File (GND), Germany
Sources
Found inIn: Historic Brass Society Journal: Stand: 22.09.2021: https://www.historicbrass.org/edocman/hbj-1999/HBSJ_1999_JL01_011_BriefStudies2.pdf. — Pierre-Yves Madeuf, Jean-Francois Madeuf, and Graham Nicholson: The Guitbert trumpet: a remarkable discovery